Datasheet Details
| Part number | AT24C21 |
|---|---|
| Manufacturer | Atmel (now Microchip Technology) |
| File Size | 208.58 KB |
| Description | 2-Wire Serial EEPROM |
| Datasheet |
 AT24C21 Datasheet
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General Description
The AT24C21 provides 1024 bits of serial electrically erasable and programmable read only memory (EEPROM) organized as 128 words of 8 bits each.
The device is optimized for use in applications requiring data storage and serial transmission of configuration and control information.
Key Features
- 2-wire Serial Interface.
- Schmitt Trigger, Filtered Inputs For Noise Suppression.
- DDC1™/ DDC2™ Interface Compliant for Monitor Identification.
- Low-voltage Operation.
- 2.5 (VCC = 2.5V to 5.5V).
- Internally Organized 128 x 8.
- 100 kHz (2.5V) Compatibility.
- 8-byte Page Write Mode.
- Write Protection Available.
- Self-timed Write Cycle (10 ms max).
- High Reliability.
- Endurance: 1 Million Write Cycles.